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velikii [3]
3 years ago
12

Using that formula

Mathematics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

50 is 20% of 250

Step-by-step explanation:

\frac{50}{y} = \frac{20}{100}

now you can cross multiply and you get 20y=50*100

divide both sides by 20


y=250

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Ok so I like to go in steps with these questions- first draw a picture and identify your variables.

W=width
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Now we know that length times width gets us area so we plug in our variables into the area equation.

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When you foil that equation you end up with a quadratic : 3w^2-w-200 = 0

Either factor that or use the quadratic formula to get
w= 8.33 and w= -8

Since you can't have a negative dimension you need to use 8.33 and plug it back into your length equation.

Final answer:

w= 8.33ft
l= 23.99ft

*Now I simplified the decimals a little bit so you end up with 199.8ft^2 for the area so just add a few decimals on here and there*
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Answer:

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Explanation:

Given f(n) and g(n) defined below:

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Therefore:

\begin{gathered} f\mleft(g(1)\mright)=f\mleft(3\mright) \\ f\mleft(3\mright)=3^2-3 \\ =9-3 \\ =6 \end{gathered}

Therefore, f[g(1)]=6.

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3 years ago
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